dodge colt problem

1989 DODGE COLT
153,000 MILES • 4 CYL • FWD • MANUAL
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STANLEY SPENCE
  • MEMBER
  • 1 POST
after apprx. 10miles the engine coughs and dies. It will crank but wont start there was black smoke sometimes as it died. Then after cooling down will start and may run for ten or twenty miles. This repeated several times then the engine quit and a burning smell was noticed and the engine would not run again.The computer and the altitude sensorr were found defective and replaced. after approximately 1000 miles
the problem seems to have reappeared.
Feb 12, 2011 at 1:26 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Probable causes of an engine running rich are as follows:

1.Excessive fuel pressure can be cause by restricted fuel return line
2.Defective Oxygen Sensors.
3.Leaking injectors and fuel pressure regulator.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
Mar 18, 2011 at 5:38 PM
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